Watt per square meter kelvin to BTU per hour square foot degree Fahrenheit Converter
1 watt per square meter kelvin is about 0.1761101837 BTUs per hour square foot degree Fahrenheit. Convert watts per square meter kelvin (W/(m²·K)) to BTUs per hour square foot degree Fahrenheit (BTU/(h·ft²·°F)) below: type a value and the result updates as you type.
W/(m²·K) to BTU/(h·ft²·°F) calculator
Result
Watt per square meter kelvin to BTU per hour square foot degree Fahrenheit conversion
1 W/(m²·K) ≈ 0.1761101837 BTU/(h·ft²·°F)one watt per square meter kelvin in BTUs per hour square foot degree Fahrenheit
1 BTU/(h·ft²·°F) ≈ 5.678263341 W/(m²·K)one BTU per hour square foot degree Fahrenheit in watts per square meter kelvin
Watt per square meter kelvin (W/(m²·K)): SI unit of heat transfer coefficient (and of U-value): heat flow per area per kelvin of temperature difference.
BTU per hour square foot degree Fahrenheit (BTU/(h·ft²·°F)): US unit of heat transfer coefficient and U-value, based on the BTU (IT).
Source:Watt per square meter kelvin: SI Brochure, 9th edition (BIPM, 2019); BTU per hour square foot degree Fahrenheit: NIST Special Publication 811 (2008), Appendix B.8
How to convert watts per square meter kelvin to BTUs per hour square foot degree Fahrenheit
To convert watts per square meter kelvin to BTUs per hour square foot degree Fahrenheit, multiply the number of watts per square meter kelvin by about 0.1761101837.
Formula
BTU/(h·ft²·°F) = W/(m²·K) × 0.1761101837
The factor is rounded here. The calculator uses the exact value.
Examples
- 5 W/(m²·K) = 5 × 0.1761101837 ≈ 0.8805509184 BTU/(h·ft²·°F)
- 25 W/(m²·K) = 25 × 0.1761101837 ≈ 4.402754592 BTU/(h·ft²·°F)
- 100 W/(m²·K) = 100 × 0.1761101837 ≈ 17.61101837 BTU/(h·ft²·°F)
Watt per square meter kelvin to BTU per hour square foot degree Fahrenheit conversion table
| Watt per square meter kelvin (W/(m²·K)) | BTU per hour square foot degree Fahrenheit (BTU/(h·ft²·°F)) |
|---|---|
| 0.1 W/(m²·K) | 0.01761101837 BTU/(h·ft²·°F) |
| 0.5 W/(m²·K) | 0.08805509184 BTU/(h·ft²·°F) |
| 1 W/(m²·K) | 0.1761101837 BTU/(h·ft²·°F) |
| 2 W/(m²·K) | 0.3522203674 BTU/(h·ft²·°F) |
| 3 W/(m²·K) | 0.528330551 BTU/(h·ft²·°F) |
| 5 W/(m²·K) | 0.8805509184 BTU/(h·ft²·°F) |
| 10 W/(m²·K) | 1.761101837 BTU/(h·ft²·°F) |
| 20 W/(m²·K) | 3.522203674 BTU/(h·ft²·°F) |
| 25 W/(m²·K) | 4.402754592 BTU/(h·ft²·°F) |
| 50 W/(m²·K) | 8.805509184 BTU/(h·ft²·°F) |
| 100 W/(m²·K) | 17.61101837 BTU/(h·ft²·°F) |
| 250 W/(m²·K) | 44.02754592 BTU/(h·ft²·°F) |
| 500 W/(m²·K) | 88.05509184 BTU/(h·ft²·°F) |
| 1000 W/(m²·K) | 176.1101837 BTU/(h·ft²·°F) |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many BTUs per hour square foot degree Fahrenheit are in one watt per square meter kelvin?
- One watt per square meter kelvin is about 0.1761101837 BTUs per hour square foot degree Fahrenheit.
- How do I convert BTUs per hour square foot degree Fahrenheit to watts per square meter kelvin?
- To convert BTUs per hour square foot degree Fahrenheit to watts per square meter kelvin, multiply the number of BTUs per hour square foot degree Fahrenheit by about 5.678263341. The formula is W/(m²·K) = BTU/(h·ft²·°F) × 5.678263341.
- Is this conversion exact?
- Yes. Both units have exact definitions, but the factor has more decimal places than can be shown, so displayed results are rounded. The calculator works with 50 significant digits before rounding.
- Which is larger, a watt per square meter kelvin or a BTU per hour square foot degree Fahrenheit?
- A BTU per hour square foot degree Fahrenheit is about 5.678263341 times larger than a watt per square meter kelvin. In other words, a watt per square meter kelvin is about 0.1761101837 of a BTU per hour square foot degree Fahrenheit.